Pipe support base



FIG. 1 is a front perspective view of a pipe support base showing our new design;

FIG. 2 is a front perspective in an inverted position thereof;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a top plan view of FIG. 1;

FIG. 5 is a bottom plan view of FIG. 1;

FIG. 6 is a right side view of FIG. 1; the left side view being a mirror image; and,

FIG. 7 is a cross sectional view of FIG. 6 taken along the line 7—7. 

The ornamental design for a pipe support base, as shown and described. 